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美国页岩油资源分布特征与主控因素研究 被引量:33

Distribution and main controls for shale oil resources in USA
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摘要 通过对美国页岩油资源的系统统计分析和主要页岩油盆地成藏要素的综合研究,揭示美国页岩油资源的分布规律与富集主控因素,为我国页岩油的勘探开发提供参考借鉴。美国页岩油总技术可采资源量为1507.94×10^8bbl,其中累计探明可采储量365.40×10^8bbl,探明率24.2%。页岩油资源分布极不均衡,高度富集于二叠盆地,其次是海湾盆地和威利斯顿盆地。页岩油资源的富集主要受优质烃源岩规模、页岩层系顶底板和储集岩"甜点"规模等成藏要素的控制,前两者控制了页岩油的资源规模,后者控制了页岩油的产量规模。中国页岩油的勘探应特别关注大型沉积盆地内的选区和选层,发现新"甜点"和扩大已知"甜点"的规模是实现页岩油勘探新突破和页岩油增储上产的关键。 Systematic analyses of statistical data of shale oil resources and an integrated investigation of geological elements in major shale oil basins in USA were made.They characterize the distribution features of shale oil resources and document the controlling factors for shale oil endowment in USA.The results provide insights for shale oil exploration and production in China.Recoverable shale oil resources amount to 151×10^9 bbl in USA,of which 36.5×10^9 bbl have already been proven with a discovery rate of 24.2%.The shale oil resources are unevenly distributed.The Permian Basin has the lion’s share of the total,followed by the Gulf and Williston basins.The enrichment of shale oil resources is largely governed by the volume of high quality source rocks,the extensive top and bottom seals of shale oil plays and the scale of"sweet spots"in shale oil reservoir intervals.The former two control the total endowment of shale oil resources and the latter controls the production volume of shale oils.It is suggested that China’s shale oil exploration should focus on the selection of favorable plays and their fairways in large sedimentary basins.The delineation of new"sweet spots"and the expansion of the extent of known"sweet spots"are the keys for the new breakthroughs of shale oil exploration and the increase of both shale oil production and reserves.
作者 白国平 邱海华 邓舟舟 王文庸 陈君 BAI Guoping;QIU Haihua;DENG Zhouzhou;WANG Wenyong;CHEN Jun(College of Geosciences,China University of Petroleum(Beijing),Beijing 102249,China;State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum(Beijing),Beijing 102249,China;SINOPEC Northeast Oil Company,Changchun,Jilin 130062,China)
出处 《石油实验地质》 CAS CSCD 北大核心 2020年第4期524-532,共9页 Petroleum Geology & Experiment
基金 国家科技重大专项(2017ZX05049-001-007和2017X05005-001-006)资助。
关键词 分布特征 富集主控因素 甜点 勘探启示 页岩油 美国 distribution feature enrichment control factor sweet spot exploration implication shale oil USA
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